<template>
  <view class="cart-container" v-if="cartList.length > 0">
    <my-adress></my-adress>
    <!-- 购物车商品列表的标题区域 -->
    <view class="cart-title">
      <!-- 左侧的图标 -->
      <uni-icons type="shop" size="18"></uni-icons>
      <!-- 描述文本 -->
      <text class="cart-title-text">购物车</text>
    </view>

    <uni-swipe-action>
      <block v-for="(goods,index) in cartList" :key="index">
        <uni-swipe-action-item :right-options="options" @click="deleteCart(goods.goods_id)">
          <my-goodsItem :goods="goods" :radioShow="true" @checkedChange="changeHandler" :numberBox="true"
            @numChange="numChange"></my-goodsItem>
        </uni-swipe-action-item>
      </block>
    </uni-swipe-action>
    <my-settle></my-settle>
  </view>
  <view class="empty-cart" v-else>
    <image src="/static/cart_empty@2x.png" class="empty-img"></image>
    <text class="tip-text">空空如也~</text>
  </view>
</template>

<script>
  import {
    mapState,
    mapMutations
  } from 'vuex'
  import badgeMixin from '@/mixins/tabbar-badge.js'
  export default {
    mixins: [badgeMixin],
    data() {
      return {
        options: [{
          text: '删除',
          style: {
            backgroundColor: '#c00000'
          }
        }]
      };
    },
    computed: {
      ...mapState('m_cart', ['cartList'])
    },
    methods: {
      ...mapMutations('m_cart', ['updateState']),
      changeHandler(e) {
        this.updateState({
          goods_id: e.goods_id,
          goods_state: e.goods_state
        })
      },
      ...mapMutations('m_cart', ['updateNum', 'deleteItem']),
      numChange(e) {
        this.updateNum({
          goods_id: e.goods_id,
          goods_count: e.goods_count
        })
      },
      deleteCart(id) {
        this.deleteItem(id)
      }
    }
  }
</script>

<style lang="scss">
  .cart-container {
    padding-bottom: 50px;
  }
  .empty-cart {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 150px;
  
    .empty-img {
      width: 90px;
      height: 90px;
    }
  
    .tip-text {
      font-size: 12px;
      color: gray;
      margin-top: 15px;
    }
  }
</style>
